ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,712, issued on March 3, was assigned to LUTRONIC Corp. (Goyang-si, South Korea).

"Handpiece for treatment, treatment device including same, and method for controlling treatment device" was invented by Kwang Chon Ko (Paju, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a treatment device according to an embodiment of the present invention comprises the steps of: providing negative pressure between an insertion portion and a tissue surface such that the tissue surface positioned in front of the insertion portion is pulled toward the insertion portion; allowing at least a part of the insertion portion to be inserted...